91A1A-H28-B18L Bourns Inc., 91A1A-H28-B18L Datasheet - Page 4

• Manufacturer Part Number: 91A1A-H28-B18L
• Description: POTENTIOMETER, 1W, 50K
• Manufacturer: Bourns Inc.
• Series: 91r

Specifications of 91A1A-H28-B18L

• Track Resistance: 50kohm
• Track Taper: Linear
• No. Of Turns: 1
• Resistance Tolerance: ± 20%
• Voltage Rating: 1500V
• Power Rating: 1W
• No. Of Gangs: 1
• Svhc: No SVHC (15-Dec-2010)
• Resistor Element: RoHS Compliant

Product Dimensions
Model 93 PC Pin Terminals, "L" Pattern
Model 95 Solder Lug Terminals, "Triangular" Pattern
Model 91 & 96 PC Pin Terminals, In-Line
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ±
(.032)
.81
91, 92, 93, 94, 95, 96, 97, 99 - 5/8 ” Square Single-Turn
(.40 ± .012)
10.16 ± .30
(.90 ± .017)
DIA. TYP.
(.175 ± .015)
22.86 ± .43
4.45 ± .38
10.16
(.40)
(.50)
12.7
10.16
(.40)
1
3
2
(.435 ± .008)
SHAFT OPTIONS
11.05 ± .20
1
(.031 ± .016)
SEE DETAIL
.79 ± .41
(.375 ± .015)
(.250 ± .015)
FOR
2
9.53 ± .38
6.35 ± .38
(.175 ± .015)
(.235 ± .015)
(.435 ± .008)
11.05 ± .20
4.45 ± .38
5.97 ± .38
(.20 ± .015) TYP.
(.220 ± .008)
5.08 ± .38
5.59 ± .20
(STYLE A)
(STYLE C)
DIMENSIONS ARE:
(.625 + .015)
(MODEL 91 ONLY)
15.88 ± .38
(.093)
2.36
(.602 ±.022)
15.29 ± .56
(.015 )
.XX ±
.128
(.100)
2.54
(.100)
2.54
(.38)
.005
FRACTION ± 1/64
1 2 3
ANGLE ±5 °
(.054)
1.37
(.100)
(.200 ± .040)
2.54
(INCHES)
(.032)
5.08 ± 1.02
(.100)
2.54
.81
MM
12.7 ± 1.02
(.50 ± .040)
3 PLCS.
(.080)
(.625 ± .015)
(.375 ± .015)
DIA.
2.03
13.72
(.54)
(.20)
15.88 ± .38
5.08
9.53 ± .38
DIA.
(.040) WIDE X (.090) LONG
1.02
R. MAX.
3 PLCS.
Model 92 J-Hooked
Terminals, In-Line
Model 94 J-Hooked
Terminals, "L" Pattern
(.032)
Bushing Styles
3/8 THREADLESS (9.53 mm) (STYLE "D")
3/8-32 UNEF (9.53 mm) (STYLE "A")
1/4-32 UNEF (6.35 mm) (STYLE "C")
M10 X 0.75-6g (STYLE "R")
M7 X 0.75-6g (STYLE "U")
.81
2.29
3 2 1
3 2 1
(.20)
(.016)
5.08
.41
MAX. TYP.
(.150)
3.81
Customers should verify actual device performance in their specific applications.
(.21 ± .03)
5.33 ± .76
(.031) 2 PLCS.
(.06)
1.52
.79
(.010)
.254
GAP
(.06)
1.52
GAP
CCW DETENT
25 ° MAX.
ACTUATION
ANGLE
(TYPES 51,
53, 55, 57, 59,
61, 71, 73)
(.022 ± .015)
DPST (NO/NC)
(TYPES 50, 51, 56, 57)
Model 97 1st Cup Same As Model 93
Model 99 1st Cup Same As Model 95
Switch Module Variations
Shaft Flat Orientation
MOUNTING
SURFACE
MOUNTING
SURFACE
5.59 ± .38
3
1
(1.09 ± .015)
(.665 ± .020)
2.77 ± .38
16.89 ± .51
(.665 ± .020)
16.89 ± .51
(.175 ± .015)
Specifications are subject to change without notice.
4.45 ± .38
(.090)
NOTE: Switch terminals shown in vertical position.
2.29
(2nd Cup - Switch)
(2nd Cup - Switch)
4
2
(1.09 ± .015)
(.109 ± .015)
2.77 ± .38
6 PLCS.
2
120 ° ± 5 ° STD.
FLAT ORIENTATION
(SHAFT AT CCW END)
2.77 ± .38
3
1
DPST (NC/NC)
(TYPES 54, 55, 60, 61)
TOTAL ROTATION 300 °
3
1
Switch contacts shown in detent position.
(.975 ± .020)
24.77 ± .51
4
2
(.095 ± .045)
(.109 ± .015)
3
1
2.41 X 1.14
(.095 ± .045)
2.77 ± .38
DPST (NO/NO)
(TYPES 52, 53, 58, 59)
2.41 X 1.14
(.325 ± .010)
8.26 ± 0.25
(.090)
2.29
CCW
(.100 ± .010)
1
2.54 ± 0.25
POTENTIOMETER
6 PLCS.
3
3
4
SLOT 6 PLCS
4
CW DETENT
25 ° MAX.
ACTUATION ANGLE
(TYPES 50, 52, 54,
56, 58, 60, 70, 72)
15.88
(.625)
SLOT 6 PLCS
15.88
(.625)
5
REF.
REF.
4
2
5
2
6
2 PLCS.
6
3
1
2
DPDT (NC/NC)
(TYPES 70, 71, 72, 73)
2
1
1
3
4
5
6
2